The diversity in living beings is due to
1. Mutations
2. Long term evolutionary changes
3. Short term evolutionary changes
4. Gradual changes
Biosystematics aims at
1. the classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of studies
2. identification and arrangement of organism on the basis of their cytological characteristics
3. the classification of organisms based on broad morphological characters
4. delimiting various taxa of organisms and establishing their relationships
Species are considered as
1. artificial concept of human mind which cannot be defined in absolute terms
2. real units of classification devised by taxonomists
3. real basic units of classification
4. the lowest units of classification
Phenetic classification of organisms is based on
1. observable characteristics of existing organisms
2. the ancestral lineage of existing organisms
3. dendrogram based on DNA characteristics
4. sexual characteristics
One of the most important functions of botanical gardens is that
1. one can observe tropical plants there
2. they allow ex situ conservation of germplasm
3. they provide the natural habitat for wildlife
4. they provide a beautiful area for recreation
Botanical gardens provide
1. Beautiful area for recreation
2. Reservoir for tropical plants
3. Ex situ conservation of germplasm
4. Natural habitat for wildlife
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The institute which encourages publication of local flora in India is
1. NBRI
2. FRI
3. BSI
4.IARI
Two plants can be conclusively said to belong to the same species if they
1. can reproduce freely with each other and form seeds
2. have more than 90 percent similar genes
3. look similar and possess identical secondary metabolites
4. have same number of chromosomes
ICBN stands for
1. Indian Congress of Biological Name
2. International Code for Botanical Nomenclature
3. International Congress of Biological Name
4. Indian Code of Botanical Nomenclature
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